Home / 140,273.60-193,581.76-76,614.40

Finding the Fourth Proportional to 140,273.60, 193,581.76 and 76,614.40

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Solution

The fourth proportional to 140,273.60, 193,581.76 and 76,614.40 is: 105,730.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,273.60 : 193,581.76 = 76,614.40 : x
  2. Step 2: Convert to fraction form
    140,273.60/193,581.76 = 76,614.40/x
  3. Step 3: Cross multiply
    140,273.60x = 193,581.76 × 76,614.40
  4. Step 4: Simplify right side
    140,273.60x = 14,831,150,393.34
  5. Step 5: Solve for x
    x = 14,831,150,393.34/140,273.60
  6. Step 6: Final answer
    x = 105,730.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.